16 0x4bb4a12e in clone () from /lib/libc.so.6
(gdb) bt full
#0  0x08080087 in ast_check_hangup (chan=0x0) at channel.c:315
No locals.
#1  0x08076a45 in ast_autoservice_stop (chan=0x0) at autoservice.c:140
	__list_next = (struct asent *) 0x0
	__list_prev = (struct asent *) 0x0
	__new_prev = (struct asent *) 0x0
	res = -1
	as = (struct asent *) 0x9b61ec0
#2  0x001f98c9 in shell_helper (chan=0x0, cmd=0xb7888a00 "SHELL", data=0xb7888a06 "echo \"foo_bar\"", buf=0xb7888aa0 "foo_bar\n", len=4096) at func_shell.c:65
	__PRETTY_FUNCTION__ = "shell_helper"
#3  0x080c9486 in ast_func_read (chan=0x0, function=0xb7889ab0 "SHELL(echo \"foo_bar\")", workspace=0xb7888aa0 "foo_bar\n", len=4096) at pbx.c:1586
	res = 0
	u = (struct ast_module_user *) 0x9b61438
	copy = 0xb7888a00 "SHELL"
	args = 0xb7888a06 "echo \"foo_bar\""
	acfptr = (struct ast_custom_function *) 0x1fa180
	__PRETTY_FUNCTION__ = "ast_func_read"
#4  0x080c99c4 in pbx_substitute_variables_helper_full (c=0x0, headp=0x0, cp1=0x9b62d26 "${SHELL(echo \"foo_bar\")}", cp2=0xb788acf0 "", count=255) at pbx.c:1718
	cp4 = 0x815e0e9 "VarSet"
	tmp = 0x9b62d26 "${SHELL(echo \"foo_bar\")}"
	whereweare = 0x9b62d3e ""
	length = 135651475
	offset = 0
	offset2 = 2147483647
	isfunction = 1
	workspace = 0xb7888aa0 "foo_bar\n"
	ltmp = 0x0
	var = 0xb7889ab0 "SHELL(echo \"foo_bar\")"
	nextvar = 0x9b62d26 "${SHELL(echo \"foo_bar\")}"
	nextexp = 0x0
	nextthing = 0x9b62d26 "${SHELL(echo \"foo_bar\")}"
	vars = 0xb7889ab0 "SHELL(echo \"foo_bar\")"
	vare = 0x9b62d3e ""
	pos = 0
	brackets = 0
	needsub = 0
	len = 21
	__PRETTY_FUNCTION__ = "pbx_substitute_variables_helper_full"
#5  0x080c9f4c in pbx_substitute_variables_helper (c=0x0, cp1=0x9b62d26 "${SHELL(echo \"foo_bar\")}", cp2=0xb788acf0 "", count=255) at pbx.c:1810
No locals.
#6  0x008821c5 in pbx_load_config (config_file=0x883600 "extensions.conf") at pbx_config.c:1353
	cfg = (struct ast_config *) 0x9b61f70
	end = 0x2 <Address 0x2 out of bounds>
	label = 0xb788ae28 "\002"
	realvalue = '\0' <repeats 255 times>
	lastpri = -2
	con = (struct ast_context *) 0x0
	v = (struct ast_variable *) 0x9b62cf0
	cxt = 0x0
	aft = 0x0
	config_flags = {flags = 0}
	__PRETTY_FUNCTION__ = "pbx_load_config"
#7  0x00883423 in pbx_load_module () at pbx_config.c:1583
	con = (struct ast_context *) 0x9b626a0
#8  0x00883525 in reload () at pbx_config.c:1614
No locals.
#9  0x080b75ef in ast_module_reload (name=0x0) at loader.c:587
	info = (const struct ast_module_info *) 0x885e60
	cur = (struct ast_module *) 0x9b0be30
	res = 2
	i = 7
#10 0x0808e314 in handle_reload (e=0x8170b60, cmd=-4, a=0xb788af90) at cli.c:211
	x = 1588
#11 0x0808e3f7 in handle_reload_deprecated (e=0x8170b60, cmd=-4, a=0xb788af90) at cli.c:231
	s = 0x0
#12 0x08093274 in ast_cli_command (fd=22, s=0xb788b10c "reload") at cli.c:1837
	a = {fd = 22, argc = 1, argv = 0xb788afb4, line = 0x0, word = 0x0, pos = 0, n = 0}
	retval = 0xb788b358 "\210\221\020\b@\027\b"
	args = {0x8170b60 "x\t", 0x9b60bd0 "reload", 0x0, 0x9b60bda "gl\021", 0x0, 0x9b60be9 "", 0x0, 0xb788b10c "reload", 0xb788b139 "east 0", 0xb788b30b "", 
  0xb788b10c "reload", 0xb788b30b "", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20504d53 <Address 0x20504d53 out of bounds>, 0x20000000 <Address 0x20000000 out of bounds>, 
  0x0, 0x31203931 <Address 0x31203931 out of bounds>, 0x30303a35 <Address 0x30303a35 out of bounds>, 0x2036333a <Address 0x2036333a out of bounds>, 
  0x20544445 <Address 0x20544445 out of bounds>, 0x0, 0x0, 0x0, 0xffffffff <Address 0xffffffff out of bounds>, 0x0, 0x0, 0x0, 0x0, 
  0x36690000 <Address 0x36690000 out of bounds>, 0x3638 <Address 0x3638 out of bounds>, 0x0, 0x0, 0x0, 0x0, 0x4bbb5940 "", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
  0x28000000 <Address 0x28000000 out of bounds>, 0x656e6f6e <Address 0x656e6f6e out of bounds>, 0x29 <Address 0x29 out of bounds>, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
  0xb788b0c8 "X\210r\006\b\026", 0x4bc57c94 "X=\001s\001T\201R\203", 0x4bb56ae9 "\201\v\005", 0x1 <Address 0x1 out of bounds>, 
  0xb788b0c8 "X\210r\006\b\026"}
	e = (struct ast_cli_entry *) 0x8170b60
	x = 1
	res = 0
	dup = 0x9b60bd0 "reload"
#13 0x0806d672 in netconsole (vconsole=0x817f940) at asterisk.c:912
	con = (struct console *) 0x817f940
	hostname = "localhost.localdomain", '\0' <repeats 42 times>
	tmp = "reload\000\000w globals\000\000connection\n\000 set debug atleast 0", '\0' <repeats 197 times>, "q0K", '\0' <repeats 64 times>, "\020\000\000\000(qK", '\0' <repeats 80 times>, "\220\016K\f\000\000\000a'\000\000\000\000\000_K qK\f\000\000\000\210\235JK qK\f\000\000\000\020\000\000\000)\000\000\017\t\f\000\000\000K\000\000\000\000\220\210(\210\001\020\b\001\000\000\000\f", '\0' <repeats 22 times>
	res = 7
	fds = {{fd = 22, events = 1, revents = 1}, {fd = 23, events = 1, revents = 0}}
	__PRETTY_FUNCTION__ = "netconsole"
#14 0x0810e391 in dummy_start (data=0x9b60b78) at utils.c:807
	__cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {1271267316, 0, -1215775856, -1215777848, 1017038017, -2096720704}, __mask_was_saved = 0}}, __pad = {
    0xb788b480, 0x0, 0x0, 0x0}}
	__cancel_routine = (void (*)(void *)) 0x806b95d <ast_unregister_thread>
	__cancel_arg = (void *) 0xb788bb90
	not_first_call = 0
	ret = (void *) 0x0
	a = {start_routine = 0x806d4bb <netconsole>, data = 0x817f940, name = 0x9b60b88 "netconsole", ' ' <repeats 11 times>, "started at [  974] asterisk.c listener()"}
#15 0x4bc512db in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#16 0x4bb4a12e in clone () from /lib/libc.so.6
No symbol table info available.
(gdb) quit